It covers over 500,000 pieces of historical documents from 500 periodicals published during 1833~1911. The extensive collection has covered almost all the periodicals published during such critical periods later known as the Opium Wars, Westernization Movement, Reform Movement of 1898 and Revolution of 1911. It contains the Women's Periodicals that advocated women's liberation and mental enlightenment, the Four Major Late Qing Dynasty Novel Journals as emerged during the great flourishing period of novels of the late Qing Dynasty, the Vernacular Chinese Periodicals founded to explore the people's mind and spread new knowledge, and the Science and Technology Periodicals which introduced new technologies and spread scientific knowledge.